IndentationTest::testIndent() - Code Metrics - Inspection of "Merge pull request #3 from colinodell/indent-and-u..." - colinodell/indentation - Measure and Improve Code Quality continuously with Scrutinizer

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by Colin

created 2022-03-20 19:20 UTC

IndentationTest::testIndent() A

↳ Parent: IndentationTest

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	2
c	1
b	0
f	0
nc	1
nop	3
dl	0
loc	4
rs	10

<?php

declare(strict_types=1);

/*
 * This file is part of the colinodell/indentation package.
 *
 * (c) Colin O'Dell <[email protected]>
 *
 * Forked from detect-indent,
 * (c) Sindre Sorhus <[email protected]> (https://sindresorhus.com)
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace ColinODell\Indentation\Tests;

use ColinODell\Indentation\Indentation;
use PHPUnit\Framework\TestCase;

final class IndentationTest extends TestCase
{
    public function testConstructorAndGetters(): void
    {
        $indentation = new Indentation(4, Indentation::TYPE_SPACE);

        self::assertSame(4, $indentation->getAmount());
        self::assertSame(Indentation::TYPE_SPACE, $indentation->getType());
        self::assertSame('    ', (string) $indentation);

        $indentation = new Indentation(1, Indentation::TYPE_TAB);

        self::assertSame(1, $indentation->getAmount());
        self::assertSame(Indentation::TYPE_TAB, $indentation->getType());
        self::assertSame("\t", (string) $indentation);
    }

    /**
     * @dataProvider provideCasesForTestDetect
     */
    public function testDetect(string $filename, Indentation $expected, string $asString): void
    {
        $actual = Indentation::detect($filename);
        self::assertEquals($expected, $actual);
        self::assertSame($asString, (string) $actual);
    }

    /**
     * @return iterable<array<mixed>>
     */
    public function provideCasesForTestDetect(): iterable
    {
        yield 'Detect space indentation' => [
            $this->loadFixture('space.js'),
            new Indentation(4, Indentation::TYPE_SPACE),
            '    ',
        ];

        yield 'Detect tab indentation' => [
            $this->loadFixture('tab.js'),
            new Indentation(1, Indentation::TYPE_TAB),
            "\t",
        ];

        yield 'Detect multiple tabs' => [
            $this->loadFixture('tab-four.js'),
            new Indentation(4, Indentation::TYPE_TAB),
            "\t\t\t\t",
        ];

        yield 'Detect equal tabs and spaces' => [
            $this->loadFixture('mixed-tab.js'),
            new Indentation(1, Indentation::TYPE_TAB),
            "\t",
        ];

        yield 'Detect indent of a file with mostly spaces' => [
            $this->loadFixture('mixed-space.js'),
            new Indentation(4, Indentation::TYPE_SPACE),
            '    ',
        ];

        yield 'Detect indent of a weirdly indented vendor prefixed CSS' => [
            $this->loadFixture('vendor-prefixed-css.css'),
            new Indentation(4, Indentation::TYPE_SPACE),
            '    ',
        ];

        yield 'Return 0 when these is no indentation' => [
            '<ul></ul>',
            new Indentation(0, Indentation::TYPE_UNKNOWN),
            '',
        ];

        yield 'Indentation for fifty-fifty indented files with spaces first' => [
            $this->loadFixture('fifty-fifty-space-first.js'),
            new Indentation(4, Indentation::TYPE_SPACE),
            '    ',
        ];

        yield 'Indentation for fifty-fifty indented files with tabs first' => [
            $this->loadFixture('fifty-fifty-tab-first.js'),
            new Indentation(1, Indentation::TYPE_TAB),
            "\t",
        ];

        yield 'Indentation for files with spaces and tabs last' => [
            $this->loadFixture('space-tab-last.js'),
            new Indentation(1, Indentation::TYPE_TAB),
            "\t",
        ];

        yield 'Indentation of a file with single line comments' => [
            $this->loadFixture('single-space-ignore.js'),
            new Indentation(4, Indentation::TYPE_SPACE),
            '    ',
        ];

        yield 'Indentation for files with single spaces only' => [
            $this->loadFixture('single-space-only.js'),
            new Indentation(1, Indentation::TYPE_SPACE),
            ' ',
        ];
    }

    /**
     * @dataProvider provideCasesForTestChange
     */
    public function testChange(string $contents, Indentation $indentation, string $expected): void
    {
        $actual = Indentation::change($contents, $indentation);
        self::assertSame($expected, $actual);
    }

    /**
     * @return iterable<array<mixed>>
     */
    public function provideCasesForTestChange(): iterable
    {
        yield 'Empty string' => [
            '',
            new Indentation(4, Indentation::TYPE_SPACE),
            '',
        ];

        yield 'No indentation' => [
            '<ul></ul>',
            new Indentation(4, Indentation::TYPE_SPACE),
            '<ul></ul>',
        ];

        yield 'Two spaces to four spaces' => [
            "<div>\n  <ul>\n    <li>yay</li>\n  </ul>\n</div>",
            new Indentation(4, Indentation::TYPE_SPACE),
            "<div>\n    <ul>\n        <li>yay</li>\n    </ul>\n</div>",
        ];

        yield 'Four spaces to two spaces' => [
            "<div>\n    <ul>\n        <li>yay</li>\n    </ul>\n</div>",
            new Indentation(2, Indentation::TYPE_SPACE),
            "<div>\n  <ul>\n    <li>yay</li>\n  </ul>\n</div>",
        ];

        yield 'Two spaces to tabs' => [
            "<div>\n  <ul>\n    <li>yay</li>\n  </ul>\n</div>",
            new Indentation(1, Indentation::TYPE_TAB),
            "<div>\n\t<ul>\n\t\t<li>yay</li>\n\t</ul>\n</div>",
        ];

        yield 'Four spaces to tabs' => [
            "<div>\n    <ul>\n        <li>yay</li>\n    </ul>\n</div>",
            new Indentation(1, Indentation::TYPE_TAB),
            "<div>\n\t<ul>\n\t\t<li>yay</li>\n\t</ul>\n</div>",
        ];

        yield 'Tabs to four spaces' => [
            "<div>\n\t<ul>\n\t\t<li>yay</li>\n\t</ul>\n</div>",
            new Indentation(4, Indentation::TYPE_SPACE),
            "<div>\n    <ul>\n        <li>yay</li>\n    </ul>\n</div>",
        ];

        yield 'Two tabs to two spaces' => [
            "<div>\n\t\t<ul>\n\t\t\t\t<li>yay</li>\n\t\t</ul>\n</div>",
            new Indentation(2, Indentation::TYPE_SPACE),
            "<div>\n  <ul>\n    <li>yay</li>\n  </ul>\n</div>",
        ];

        yield 'Newlines are preserved' => [
            "\n<div>\n  <ul>\r\n    <li>yay</li>\r  </ul>\n</div>\n\n",
            new Indentation(4, Indentation::TYPE_SPACE),
            "\n<div>\n    <ul>\r\n        <li>yay</li>\r    </ul>\n</div>\n\n",
        ];
    }

    /**
     * @dataProvider provideCasesForTestIndent
     */
    public function testIndent(string $input, Indentation $indentation, string $expected): void
    {
        $actual = Indentation::indent($input, $indentation);
        self::assertSame($expected, $actual);
    }

    /**
     * @return iterable<array<mixed>>
     */
    public function provideCasesForTestIndent(): iterable
    {
        yield 'Empty string' => [
            '',
            new Indentation(4, Indentation::TYPE_SPACE),
            '',
        ];

        yield 'No indentation' => [
            '<ul></ul>',
            new Indentation(0, Indentation::TYPE_SPACE),
            '<ul></ul>',
        ];

        yield 'Unknown indentation' => [
            '<ul></ul>',
            new Indentation(4, Indentation::TYPE_UNKNOWN),
            '<ul></ul>',
        ];

        yield 'Add two spaces' => [
            "<ul>\n\n  <li>yay</li>\n\n</ul>\n",
            new Indentation(2, Indentation::TYPE_SPACE),
            "  <ul>\n\n    <li>yay</li>\n\n  </ul>\n",
        ];

        yield 'Add four spaces' => [
            "<ul>\n\n  <li>yay</li>\n\n</ul>\n",
            new Indentation(4, Indentation::TYPE_SPACE),
            "    <ul>\n\n      <li>yay</li>\n\n    </ul>\n",
        ];

        yield 'Add one tab' => [
            "<ul>\n\n  <li>yay</li>\n\n</ul>\n",
            new Indentation(1, Indentation::TYPE_TAB),
            "\t<ul>\n\n\t  <li>yay</li>\n\n\t</ul>\n",
        ];
    }

    /**
     * @dataProvider provideCasesForTestUnindent
     */
    public function testUnindent(string $input, string $expected): void
    {
        $actual = Indentation::unindent($input);
        self::assertSame($expected, $actual);
    }

    /**
     * @return iterable<array<mixed>>
     */
    public function provideCasesForTestUnindent(): iterable
    {
        yield 'Empty string' => [
            '',
            '',
        ];

        yield 'No indentation' => [
            '<ul></ul>',
            '<ul></ul>',
        ];

        yield 'All lines have 1 leading space' => [
            " Hello\n\n World\n",
            "Hello\n\nWorld\n",
        ];

        yield 'All lines have 2 leading spaces' => [
            "  Hello\n\n  World\n",
            "Hello\n\nWorld\n",
        ];

        yield 'All lines have 1 leading tab' => [
            "\tHello\n\n\tWorld\n",
            "Hello\n\nWorld\n",
        ];

        yield 'All lines have 2 leading tabs' => [
            "\t\tHello\n\n\t\tWorld\n",
            "Hello\n\nWorld\n",
        ];

        yield 'Only trim first two spaces' => [
            "  <ul>\n    <li>yay</li>\n  </ul>\n",
            "<ul>\n  <li>yay</li>\n</ul>\n",
        ];

        yield 'Leading indent of 4 spaces + lots of 2-space-indented contents' => [
            <<<INPUT
    <ul>
      <li>
        This content
        is indented
        by 2 spaces.
      </li>
      <li>
        But the entire
        code block
        has an extra
        4 spaces of indentation
        that we should strip.
      </li>
    </ul>
INPUT,
            <<<EXPECTED
<ul>
  <li>
    This content
    is indented
    by 2 spaces.
  </li>
  <li>
    But the entire
    code block
    has an extra
    4 spaces of indentation
    that we should strip.
  </li>
</ul>
EXPECTED,
        ];

        yield 'Leading indent of 5 spaces + lots of 2-space-indented contents' => [
            <<<INPUT
     <ul>
       <li>
         This content
         is indented
         by 2 spaces.
       </li>
       <li>
         But the entire
         code block
         has an extra
         5 spaces of indentation
         that we should strip.
       </li>
     </ul>
INPUT,
            <<<EXPECTED
<ul>
  <li>
    This content
    is indented
    by 2 spaces.
  </li>
  <li>
    But the entire
    code block
    has an extra
    5 spaces of indentation
    that we should strip.
  </li>
</ul>
EXPECTED,
        ];

        yield 'Single leading space with multi-line code comments' => [
            " /**\n  * Test\n  */\n",
            "/**\n * Test\n */\n",
        ];

        yield 'Mixed leading indentation (tabs then spaces)' => [
            "\tHello\n  World!\n",
            "\tHello\n  World!\n",
        ];

        yield 'Mixed leading indentation (spaces then tabs)' => [
            "  Hello\n\tWorld!\n",
            "  Hello\n\tWorld!\n",
        ];
    }

    private function loadFixture(string $filename): string
    {
        $fixture = \file_get_contents(__DIR__ . '/fixtures/' . $filename);
        if ($fixture === false) {
            $this->fail('Fixture file not found');
        }

        return $fixture;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			/*
6			* This file is part of the colinodell/indentation package.
7			*
8			* (c) Colin O'Dell <[email protected]>
9			*
10			* Forked from detect-indent,
11			* (c) Sindre Sorhus <[email protected]> (https://sindresorhus.com)
12			*
13			* For the full copyright and license information, please view the LICENSE
14			* file that was distributed with this source code.
15			*/
16
17			namespace ColinODell\Indentation\Tests;
18
19			use ColinODell\Indentation\Indentation;
20			use PHPUnit\Framework\TestCase;
21
22			final class IndentationTest extends TestCase
23			{
24			public function testConstructorAndGetters(): void
25			{
26			$indentation = new Indentation(4, Indentation::TYPE_SPACE);
27
28			self::assertSame(4, $indentation->getAmount());
29			self::assertSame(Indentation::TYPE_SPACE, $indentation->getType());
30			self::assertSame(' ', (string) $indentation);
31
32			$indentation = new Indentation(1, Indentation::TYPE_TAB);
33
34			self::assertSame(1, $indentation->getAmount());
35			self::assertSame(Indentation::TYPE_TAB, $indentation->getType());
36			self::assertSame("\t", (string) $indentation);
37			}
38
39			/**
40			* @dataProvider provideCasesForTestDetect
41			*/
42			public function testDetect(string $filename, Indentation $expected, string $asString): void
43			{
44			$actual = Indentation::detect($filename);
45			self::assertEquals($expected, $actual);
46			self::assertSame($asString, (string) $actual);
47			}
48
49			/**
50			* @return iterable<array<mixed>>
51			*/
52			public function provideCasesForTestDetect(): iterable
53			{
54			yield 'Detect space indentation' => [
55			$this->loadFixture('space.js'),
56			new Indentation(4, Indentation::TYPE_SPACE),
57			' ',
58			];
59
60			yield 'Detect tab indentation' => [
61			$this->loadFixture('tab.js'),
62			new Indentation(1, Indentation::TYPE_TAB),
63			"\t",
64			];
65
66			yield 'Detect multiple tabs' => [
67			$this->loadFixture('tab-four.js'),
68			new Indentation(4, Indentation::TYPE_TAB),
69			"\t\t\t\t",
70			];
71
72			yield 'Detect equal tabs and spaces' => [
73			$this->loadFixture('mixed-tab.js'),
74			new Indentation(1, Indentation::TYPE_TAB),
75			"\t",
76			];
77
78			yield 'Detect indent of a file with mostly spaces' => [
79			$this->loadFixture('mixed-space.js'),
80			new Indentation(4, Indentation::TYPE_SPACE),
81			' ',
82			];
83
84			yield 'Detect indent of a weirdly indented vendor prefixed CSS' => [
85			$this->loadFixture('vendor-prefixed-css.css'),
86			new Indentation(4, Indentation::TYPE_SPACE),
87			' ',
88			];
89
90			yield 'Return 0 when these is no indentation' => [
91			'<ul></ul>',
92			new Indentation(0, Indentation::TYPE_UNKNOWN),
93			'',
94			];
95
96			yield 'Indentation for fifty-fifty indented files with spaces first' => [
97			$this->loadFixture('fifty-fifty-space-first.js'),
98			new Indentation(4, Indentation::TYPE_SPACE),
99			' ',
100			];
101
102			yield 'Indentation for fifty-fifty indented files with tabs first' => [
103			$this->loadFixture('fifty-fifty-tab-first.js'),
104			new Indentation(1, Indentation::TYPE_TAB),
105			"\t",
106			];
107
108			yield 'Indentation for files with spaces and tabs last' => [
109			$this->loadFixture('space-tab-last.js'),
110			new Indentation(1, Indentation::TYPE_TAB),
111			"\t",
112			];
113
114			yield 'Indentation of a file with single line comments' => [
115			$this->loadFixture('single-space-ignore.js'),
116			new Indentation(4, Indentation::TYPE_SPACE),
117			' ',
118			];
119
120			yield 'Indentation for files with single spaces only' => [
121			$this->loadFixture('single-space-only.js'),
122			new Indentation(1, Indentation::TYPE_SPACE),
123			' ',
124			];
125			}
126
127			/**
128			* @dataProvider provideCasesForTestChange
129			*/
130			public function testChange(string $contents, Indentation $indentation, string $expected): void
131			{
132			$actual = Indentation::change($contents, $indentation);
133			self::assertSame($expected, $actual);
134			}
135
136			/**
137			* @return iterable<array<mixed>>
138			*/
139			public function provideCasesForTestChange(): iterable
140			{
141			yield 'Empty string' => [
142			'',
143			new Indentation(4, Indentation::TYPE_SPACE),
144			'',
145			];
146
147			yield 'No indentation' => [
148			'<ul></ul>',
149			new Indentation(4, Indentation::TYPE_SPACE),
150			'<ul></ul>',
151			];
152
153			yield 'Two spaces to four spaces' => [
154			"<div>\n <ul>\n <li>yay</li>\n </ul>\n</div>",
155			new Indentation(4, Indentation::TYPE_SPACE),
156			"<div>\n <ul>\n <li>yay</li>\n </ul>\n</div>",
157			];
158
159			yield 'Four spaces to two spaces' => [
160			"<div>\n <ul>\n <li>yay</li>\n </ul>\n</div>",
161			new Indentation(2, Indentation::TYPE_SPACE),
162			"<div>\n <ul>\n <li>yay</li>\n </ul>\n</div>",
163			];
164
165			yield 'Two spaces to tabs' => [
166			"<div>\n <ul>\n <li>yay</li>\n </ul>\n</div>",
167			new Indentation(1, Indentation::TYPE_TAB),
168			"<div>\n\t<ul>\n\t\t<li>yay</li>\n\t</ul>\n</div>",
169			];
170
171			yield 'Four spaces to tabs' => [
172			"<div>\n <ul>\n <li>yay</li>\n </ul>\n</div>",
173			new Indentation(1, Indentation::TYPE_TAB),
174			"<div>\n\t<ul>\n\t\t<li>yay</li>\n\t</ul>\n</div>",
175			];
176
177			yield 'Tabs to four spaces' => [
178			"<div>\n\t<ul>\n\t\t<li>yay</li>\n\t</ul>\n</div>",
179			new Indentation(4, Indentation::TYPE_SPACE),
180			"<div>\n <ul>\n <li>yay</li>\n </ul>\n</div>",
181			];
182
183			yield 'Two tabs to two spaces' => [
184			"<div>\n\t\t<ul>\n\t\t\t\t<li>yay</li>\n\t\t</ul>\n</div>",
185			new Indentation(2, Indentation::TYPE_SPACE),
186			"<div>\n <ul>\n <li>yay</li>\n </ul>\n</div>",
187			];
188
189			yield 'Newlines are preserved' => [
190			"\n<div>\n <ul>\r\n <li>yay</li>\r </ul>\n</div>\n\n",
191			new Indentation(4, Indentation::TYPE_SPACE),
192			"\n<div>\n <ul>\r\n <li>yay</li>\r </ul>\n</div>\n\n",
193			];
194			}
195
196			/**
197			* @dataProvider provideCasesForTestIndent
198			*/
199			public function testIndent(string $input, Indentation $indentation, string $expected): void
200			{
201			$actual = Indentation::indent($input, $indentation);
202			self::assertSame($expected, $actual);
203			}
204
205			/**
206			* @return iterable<array<mixed>>
207			*/
208			public function provideCasesForTestIndent(): iterable
209			{
210			yield 'Empty string' => [
211			'',
212			new Indentation(4, Indentation::TYPE_SPACE),
213			'',
214			];
215
216			yield 'No indentation' => [
217			'<ul></ul>',
218			new Indentation(0, Indentation::TYPE_SPACE),
219			'<ul></ul>',
220			];
221
222			yield 'Unknown indentation' => [
223			'<ul></ul>',
224			new Indentation(4, Indentation::TYPE_UNKNOWN),
225			'<ul></ul>',
226			];
227
228			yield 'Add two spaces' => [
229			"<ul>\n\n <li>yay</li>\n\n</ul>\n",
230			new Indentation(2, Indentation::TYPE_SPACE),
231			" <ul>\n\n <li>yay</li>\n\n </ul>\n",
232			];
233
234			yield 'Add four spaces' => [
235			"<ul>\n\n <li>yay</li>\n\n</ul>\n",
236			new Indentation(4, Indentation::TYPE_SPACE),
237			" <ul>\n\n <li>yay</li>\n\n </ul>\n",
238			];
239
240			yield 'Add one tab' => [
241			"<ul>\n\n <li>yay</li>\n\n</ul>\n",
242			new Indentation(1, Indentation::TYPE_TAB),
243			"\t<ul>\n\n\t <li>yay</li>\n\n\t</ul>\n",
244			];
245			}
246
247			/**
248			* @dataProvider provideCasesForTestUnindent
249			*/
250			public function testUnindent(string $input, string $expected): void
251			{
252			$actual = Indentation::unindent($input);
253			self::assertSame($expected, $actual);
254			}
255
256			/**
257			* @return iterable<array<mixed>>
258			*/
259			public function provideCasesForTestUnindent(): iterable
260			{
261			yield 'Empty string' => [
262			'',
263			'',
264			];
265
266			yield 'No indentation' => [
267			'<ul></ul>',
268			'<ul></ul>',
269			];
270
271			yield 'All lines have 1 leading space' => [
272			" Hello\n\n World\n",
273			"Hello\n\nWorld\n",
274			];
275
276			yield 'All lines have 2 leading spaces' => [
277			" Hello\n\n World\n",
278			"Hello\n\nWorld\n",
279			];
280
281			yield 'All lines have 1 leading tab' => [
282			"\tHello\n\n\tWorld\n",
283			"Hello\n\nWorld\n",
284			];
285
286			yield 'All lines have 2 leading tabs' => [
287			"\t\tHello\n\n\t\tWorld\n",
288			"Hello\n\nWorld\n",
289			];
290
291			yield 'Only trim first two spaces' => [
292			" <ul>\n <li>yay</li>\n </ul>\n",
293			"<ul>\n <li>yay</li>\n</ul>\n",
294			];
295
296			yield 'Leading indent of 4 spaces + lots of 2-space-indented contents' => [
297			<<<INPUT
298			<ul>
299			<li>
300			This content
301			is indented
302			by 2 spaces.
303			</li>
304			<li>
305			But the entire
306			code block
307			has an extra
308			4 spaces of indentation
309			that we should strip.
310			</li>
311			</ul>
312			INPUT,
313			<<<EXPECTED
314			<ul>
315			<li>
316			This content
317			is indented
318			by 2 spaces.
319			</li>
320			<li>
321			But the entire
322			code block
323			has an extra
324			4 spaces of indentation
325			that we should strip.
326			</li>
327			</ul>
328			EXPECTED,
329			];
330
331			yield 'Leading indent of 5 spaces + lots of 2-space-indented contents' => [
332			<<<INPUT
333			<ul>
334			<li>
335			This content
336			is indented
337			by 2 spaces.
338			</li>
339			<li>
340			But the entire
341			code block
342			has an extra
343			5 spaces of indentation
344			that we should strip.
345			</li>
346			</ul>
347			INPUT,
348			<<<EXPECTED
349			<ul>
350			<li>
351			This content
352			is indented
353			by 2 spaces.
354			</li>
355			<li>
356			But the entire
357			code block
358			has an extra
359			5 spaces of indentation
360			that we should strip.
361			</li>
362			</ul>
363			EXPECTED,
364			];
365
366			yield 'Single leading space with multi-line code comments' => [
367			" /*\n Test\n */\n",
368			"/*\n Test\n */\n",
369			];
370
371			yield 'Mixed leading indentation (tabs then spaces)' => [
372			"\tHello\n World!\n",
373			"\tHello\n World!\n",
374			];
375
376			yield 'Mixed leading indentation (spaces then tabs)' => [
377			" Hello\n\tWorld!\n",
378			" Hello\n\tWorld!\n",
379			];
380			}
381
382			private function loadFixture(string $filename): string
383			{
384			$fixture = \file_get_contents(__DIR__ . '/fixtures/' . $filename);
385			if ($fixture === false) {
386			$this->fail('Fixture file not found');
387			}
388
389			return $fixture;
390			}
391			}
392

colinodell / indentation

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IndentationTest::testIndent() A

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